Emerson / Motorola MVME3100 VMEbus Single-Board Computer

The Emerson/Motorola MVME3100 is a VMEbus single-board computer engineered for I/O-intensive applications in industrial, medical, and defense/aerospace environments. Built on the Freescale MPC8540 PowerQUICC III processor, this SBC delivers a cost-effective migration path from legacy VMEbus generations while maintaining full compatibility with existing infrastructure. The MVME3100 combines modern SoC efficiency with proven VME64 architecture, enabling performance upgrades without system redesign.

Technical Specifications Processor & Memory

Freescale MPC8540 PowerQUICC III with PowerPC e500 core (667 MHz or 833 MHz)

L1 Cache: 32 KB instruction / 32 KB data

L2 Cache: 256 KB look-aside

DDR1 ECC SDRAM, DDR333 (166 MHz), up to 512 MB via single SODIMM

On-board Flash: 64 MB or 128 MB soldered with hardware/software write protection VMEbus Interface

2eSST protocol with Tundra Tsi148 chipset

Data transfer rate: 320 MB/s

A32/A64/D64 master/slave operation; VME64 compliant Expansion

Dual PMC/PMC-X slots supporting 33–100 MHz PCI speeds and 5V/3.3V signaling

32/64-bit, 33 MHz PCI for expansion carriers

MVME721 Rear Transition Module for I/O routing Networking & I/O

Dual 10/100/1000Base-Tx Gigabit Ethernet ports

One 10/100 Mbps Ethernet port

Five RS-232 serial ports (16550 compliant)

Dual Serial ATA (SATA) ports

USB 2.0 controller Firmware

MOTLoad monitor/debugger with power-on self-test, initialization, and OS boot capabilities

Key Features

ECC memory support for data integrity in deployments

Configurable I/O voltage (5V or 3.3V) for PMC/PMC-X compatibility

Hardware write protection via switch or sector-level locking

Tundra Tsi148 VMEbus interface for proven reliability

Typical Applications Industrial control systems, medical instrumentation, defense/aerospace embedded computing, real-time data acquisition, and I/O-intensive VMEbus subsystems.

Compatibility & Integration Full VME64 compliance ensures plug-and-play operation in existing VMEbus backplanes. Supports PMC processor modules and PMCspan expansion carriers. MVME721 RTM integration provides rear-panel Gigabit Ethernet access in compact chassis configurations.